Home / 10,983.38-15,156.44-6,507.56

Finding the Fourth Proportional to 10,983.38, 15,156.44 and 6,507.56

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Solution

The fourth proportional to 10,983.38, 15,156.44 and 6,507.56 is: 8,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.38 : 15,156.44 = 6,507.56 : x
  2. Step 2: Convert to fraction form
    10,983.38/15,156.44 = 6,507.56/x
  3. Step 3: Cross multiply
    10,983.38x = 15,156.44 × 6,507.56
  4. Step 4: Simplify right side
    10,983.38x = 98,631,442.69
  5. Step 5: Solve for x
    x = 98,631,442.69/10,983.38
  6. Step 6: Final answer
    x = 8,980.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.